Import code for article1, 2, 3, 4

1 files changed, 45 insertions, 0 deletions

diff --git a/sos-code-article4/Makefile b/sos-code-article4/Makefile
new file mode 100644
index 0000000..3a2282a
--- /dev/null
+++ b/sos-code-article4/Makefile
@@ -0,0 +1,45 @@
+CC=gcc
+CFLAGS  = -Wall -nostdlib -nostdinc -ffreestanding -DKERNEL_SOS
+LDFLAGS = --warn-common
+OBJECTS = bootstrap/multiboot.o					\
+          hwcore/idt.o hwcore/gdt.o				\
+	  hwcore/exception.o hwcore/exception_wrappers.o	\
+	  hwcore/irq.o hwcore/irq_wrappers.o hwcore/i8259.o	\
+	  hwcore/paging.o					\
+	  hwcore/i8254.o drivers/x86_videomem.o drivers/bochs.o	\
+	  sos/physmem.o sos/klibc.o sos/main.o
+
+KERNEL_OBJ   = sos.elf
+MULTIBOOT_IMAGE = fd.img
+PWD := $(shell pwd)
+
+# Main target
+all: $(MULTIBOOT_IMAGE)
+
+$(MULTIBOOT_IMAGE): $(KERNEL_OBJ)
+	./support/build_image.sh $@ $<
+
+$(KERNEL_OBJ): $(OBJECTS) ./support/sos.lds
+	$(LD) $(LDFLAGS) -T ./support/sos.lds -o $@ $(OBJECTS)
+	-nm -C $@ | cut -d ' ' -f 1,3 > sos.map
+
+-include .mkvars
+
+# Create objects from C source code
+%.o: %.c
+	$(CC) -I$(PWD) -c $< $(CFLAGS) -o $@
+
+# Create objects from assembler (.S) source code
+%.o: %.S
+	$(CC) -I$(PWD) -c $< $(CFLAGS) -DASM_SOURCE=1 -o $@
+
+# Clean directory
+clean:
+	$(RM) *.img *.o mtoolsrc *~ menu.txt *.img *.elf *.bin *.map
+	$(RM) *.log *.out bochs*
+	$(RM) bootstrap/*.o bootstrap/*~
+	$(RM) drivers/*.o drivers/*~
+	$(RM) hwcore/*.o hwcore/*~
+	$(RM) sos/*.o sos/*~
+	$(RM) support/*~
+	$(RM) extra/*~